Bitmain
Antminer S21+
The Antminer S21+ by Bitmain runs the SHA256 algorithm, delivers 216 TH/s, draws 3564W, at 16.5 J/TH efficiency. It mines BTC, BCH, BSV. Available for purchase from MinerHaolan with fast international shipping from Hong Kong and manufacturer warranty included.
Algorithm
SHA256
Hashrate
216 TH/s
Power
3564W
Available Coins
SSL Secured
256-bit encryption
6-12 Month Warranty
Full coverage
Free Shipping
Orders over $5,000
Buyer Protection
Verified seller
The S21+ delivers 216 TH/s at 16.5 J/TH, drawing 3564W with air cooling. An incremental upgrade over the S21, it adds hashrate and efficiency through refined chip tuning while maintaining the proven air-cooled architecture. Uses the larger 140mm fan assembly for improved thermal distribution. Targets operators seeking better performance than the base S21 without transitioning to hydro cooling or higher power draws. Solid middle ground for mid-scale operations seeking efficiency gains with familiar installation and operational procedures.
Key Features
- Industry-leading 16.5 J/TH energy efficiency
- Powerful 216 TH/s hashrate for maximum profitability
- Advanced thermal management with Air-cooled (4 fans)
- Easy setup and management via web interface
Profitability Calculator🟢 Live Data
Estimates for Antminer S21+, from live network hashrate and price
| Metric | Daily | Monthly | Yearly |
|---|---|---|---|
| Income | $7.82 | $237.95 | $2,853.20 |
| Electricity | -$6.84 | -$208.30 | -$2,497.65 |
| Profit | $0.97 | $29.65 | $355.55 |
* Revenue from live network hashrate, block time and block reward (source: WhatToMine), assumes a 1% pool fee, and extrapolates today's difficulty and price flat for the monthly/yearly figures. Estimates only, not a guarantee of earnings.
Compare with similar miners
Same algorithm, closest hashrate. Estimated profit assumes $0.08/kWh electricity and live network data.
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Bitmain
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MicroBT
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MicroBT
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Customer Reviews
Sign in to write a review4.2
Based on 26 reviews
Best miner I've owned
After owning various miners over the years, the Antminer S21+ is the best I've owned. Superior in every measurable metric. Sets a new personal standard.
Great value compared to competitors
Compared my Antminer S21+ cost to competitors and MinerHaolan offers great value. Same quality, better price, excellent service. The choice was easy.
Weathered a Category 2 hurricane
Our Antminer S21+ survived a Category 2 hurricane in Florida last season. Some minor cosmetic scratches on the exterior but zero downtime, zero water intrusion. The weatherproofing is legit. Can't say the same about the warehouse next door.
Flawless operation from day one
From the moment I plugged in my Antminer S21+, it's been flawless. No configuration headaches, no performance issues. Just solid, consistent mining. Couldn't ask for more.
Zero downtime since installation
Installed my Antminer S21+ 4 months ago and haven't had a single minute of downtime. The engineering behind this machine is impressive. Highly recommend for serious miners.
Frequently Asked Questions about Antminer S21+
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